<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>图片标签</title>
    <style>
        .img{
            width: 300px;
            height: 300px;
            border-radius: 50%;

        }
    </style>
</head>
<body>
    <img class="img" src="http://gips0.baidu.com/it/u=1690853528,2506870245&fm=3028&app=3028&f=JPEG&fmt=auto?w=1024&h=1024" alt="火柴画">
    
</body>
</html>